Microspeed PC-TRAC Deluxe

Microspeed PC-TRAC Deluxe ... Microsoft mouse compatible. By simply plugging PC-TRAC Deluxe into the serial port or PS/2 mouse port on an IBM PC or PS/2 compatible computer, you are ready to go! You'll enjoy this trackball's ability to dynamically accelerate across the screen as the ball is turned.

The low profile case of the PC-TRAC Deluxe acts as a natural hand rest and minimizes the wrist angle by mirroring the natural contour of a hand. It's designed to easily accommodate both right and left hand users, as well as different size hands. No need to move your whole arm or to rotate your wrist from side to side. With PC-TRAC Deluxe you can work precisely and comfortably for hours at a time. The Drag Lock feature of the PC-TRAC Deluxe makes this product more comfortable. No need to hold a button down to highlight or select an item. Simply hit the Drag Lock button and the button stays "locked" until hit a second time. Work with ease, and a more relaxed hand motion.